Consisting of two separate controllable pitch assemblies on concentric shafts, propellers spin in opposite directions; advantages gained by use of dual rotation propellers are; availability of greater number of blades than is normally feasible, increase in propeller efficiency under flight conditions requiring high blade angles, and elimination of torque reaction.
Dual-rotating propellers
U S Army Air Forces -- Air Force
United States Army Air Forces. Air Force ; 26 , n 2
1943
Article (Journal)
English
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